| article html file updated | 9 February 2020 02:47 CET | Update | https://www.mdpi.com/2071-1050/10/1/169 |
| article html file updated | 29 September 2019 20:29 CEST | Update | - |
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| article html file updated | 11 January 2018 19:18 CET | Original file | - |
| article xml uploaded. | 11 January 2018 19:17 CET | Original file | https://www.mdpi.com/2071-1050/10/1/169/xml |
| article pdf uploaded. | 11 January 2018 19:17 CET | Version of Record | https://www.mdpi.com/2071-1050/10/1/169/pdf |
